....
$dbh->do( "CREATE TABLE games (file varchar(30) primary key, name text, description text, counter int)" );
......
my @row;
my $select = $dbh->prepare( 'SELECT COUNT(*) FROM games where name=?' );
my $insert = $dbh->prepare( 'INSERT INTO games (file, name, description, counter) VALUES (?, ?, ?, ?)' );
my $update = $dbh->prepare( 'UPDATE games SET description=? where name=?' );

open (FILE, '<../data/games/descriptions.txt') or die $!;
    while (<FILE>) {
        chomp;

        my ($name, $description) = split /\t/;
        $select->execute($name);
        
        my $count;
        
        while( my $ref = $select-> fetchrow_arrayref() ) {
            $count = $ref->[0];
        }
        
        if( $count == 0 ) { #a new game
            $insert->execute( $file, $name, $description, 0 );
        }
        else {
            $update->execute( $description, $name );
        }
    }
close (FILE);